Some families have erected tarpaulins to shelter them from bouts of rain during the monsoon season, but the wet conditions have turned the fields muddy.

Experts say fires are frequent in Dhaka due to lax safety measures.

At least 100 people have been killed so far this year in building fires across the densely populated metropolitan city.

In 2012, a fire swept through a nine-storey garment factory near Dhaka killing 111 workers. An investigation found it was caused by sabotage and that managers at the plant had prevented victims from escaping.

A 2010 fire in Nimtoli, one of the most densely populated districts of the capital, killed 123 people.